The 2016 assessment notices will be mailed and published in The Register-Mail on Monday, November 21, 2016. The deadline for a taxpayer to file a complaint to the Knox County Board of Review is December 23, 2016. The completed complaint form must be filed in one of the Assessor's offices. If a taxpayer would like to file an appeal, he/she can get the appeal form and complaint procedures from the document section of the website or the Assessor's office.